/* Scoped styles for the six local-first tools. */
.simple-page .header { background:var(--bg-primary); border-bottom:1px solid var(--border-secondary); backdrop-filter:none; }
.simple-page .file-tool-title { line-height:1.12; font-size:clamp(30px,4.4vw,54px); letter-spacing:-.035em; }
.simple-page .file-tool-hero { max-width:1000px; }
.simple-tool { --add-bg:#e7f8ee; --add-fg:#125d37; --del-bg:#fff0f1; --del-fg:#922e3d; --mark-add:#b6eccb; --mark-del:#ffd0d7; border:1px solid var(--border-secondary); border-radius:24px; background:var(--bg-secondary); box-shadow:0 18px 65px rgba(22,41,80,.09); overflow:hidden; min-width:0; }
[data-theme="dark"] .simple-tool { --add-bg:#143529; --add-fg:#a0efbe; --del-bg:#3e242e; --del-fg:#ffc0ce; --mark-add:#246344; --mark-del:#703643; }
.simple-tool [hidden] { display:none!important; }
.st-top,.st-bottom { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; padding:18px 24px; border-bottom:1px solid var(--border-primary); }
.st-bottom { border-top:1px solid var(--border-primary); border-bottom:0; }
.st-top h2,.st-panel h2 { margin:0; font-family:var(--font-body); font-size:18px; letter-spacing:-.02em; }
.st-actions { display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
.simple-tool .btn { min-height:44px; font-size:14px; white-space:normal; text-align:center; }
.st-button { min-height:44px; padding:9px 14px; border:1px solid var(--border-secondary); border-radius:10px; background:var(--bg-primary); color:var(--text-primary); font:inherit; font-size:13px; cursor:pointer; }
.st-button:hover { border-color:var(--accent-primary); }
.simple-tool button:disabled,.simple-tool .disabled { opacity:.5; cursor:not-allowed; }
.simple-tool :is(button,input,textarea,select,a):focus-visible { outline:3px solid var(--accent-primary); outline-offset:3px; }
.st-status { margin:0; padding:14px 24px; min-height:49px; font-size:14px; line-height:1.6; color:var(--text-secondary); overflow-wrap:anywhere; }
.st-status[data-kind="error"] { color:var(--del-fg); background:var(--del-bg); }
.st-status[data-kind="success"] { color:var(--add-fg); background:var(--add-bg); }
.st-muted { color:var(--text-secondary); font-size:13px; line-height:1.6; margin:0; overflow-wrap:anywhere; }
.st-note { padding:16px 20px; background:var(--bg-primary); border:1px solid var(--border-secondary); border-radius:14px; font-size:13px; color:var(--text-secondary); line-height:1.7; }
.st-note strong { color:var(--text-primary); }
.st-panel { padding:24px; min-width:0; }
.st-field { display:flex; flex-direction:column; gap:7px; min-width:0; font-size:13px; font-weight:600; }
.simple-tool :is(input:not([type="checkbox"]):not([type="file"]):not([type="range"]),select,textarea) { box-sizing:border-box; width:100%; min-width:0; border:1px solid var(--border-secondary); background:var(--bg-primary); color:var(--text-primary); border-radius:10px; padding:11px 12px; font:inherit; font-size:16px; }
.simple-tool input[type="color"] { min-height:44px; }
.simple-tool textarea { resize:vertical; line-height:1.7; }
.st-field small { font-weight:400; color:var(--text-secondary); line-height:1.55; }
.st-check { display:flex; align-items:flex-start; gap:8px; font-size:13px; line-height:1.6; cursor:pointer; }
.st-check input { width:18px; height:18px; accent-color:var(--accent-primary); flex-shrink:0; margin-top:2px; }
.st-fields { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.st-drop { display:grid; place-items:center; gap:14px; padding:36px 20px; margin:24px; border:2px dashed var(--border-accent); border-radius:18px; text-align:center; background:var(--gradient-primary-subtle); }
.st-drop h2 { font-size:24px; margin:0; }
.st-drop.dragover { box-shadow:0 0 0 4px var(--border-accent); }
.st-drop .st-symbol { font-size:32px; font-weight:800; color:var(--accent-primary); }
.st-files { display:flex; flex-direction:column; gap:10px; padding:0 24px 24px; list-style:none; margin:0; }
.st-file { display:grid; grid-template-columns:64px minmax(0,1fr) auto; gap:14px; align-items:center; background:var(--bg-primary); border:1px solid var(--border-secondary); border-radius:14px; padding:12px; }
.st-file.dragover { border-color:var(--accent-primary); }
.st-file-thumb { width:64px; height:80px; object-fit:contain; border:1px solid var(--border-secondary); border-radius:5px; background:white; }
.st-file h3 { margin:0 0 5px; font:600 15px var(--font-body); overflow-wrap:anywhere; }
.st-order { display:flex; gap:5px; }
.st-order button { min-width:44px; padding:8px; }
.st-count { padding:0 24px 18px; }
.st-pages { padding:20px 24px; display:grid; grid-template-columns:repeat(auto-fill,minmax(105px,1fr)); gap:12px; }
.st-page { position:relative; padding:9px; border:2px solid var(--border-secondary); border-radius:12px; background:var(--bg-primary); color:var(--text-primary); cursor:pointer; min-height:158px; }
.st-page[aria-pressed="true"] { border-color:var(--accent-primary); background:var(--gradient-primary-subtle); }
.st-page .st-page-check { position:absolute; right:7px; top:7px; background:var(--bg-primary); border:1px solid var(--border-secondary); border-radius:50%; width:23px; height:23px; display:grid; place-items:center; font-size:12px; }
.st-page canvas { width:100%; height:115px; object-fit:contain; background:white; display:block; margin-bottom:8px; }
.st-page span:last-child { display:block; font-size:13px; }
.st-pagination { display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap; padding:12px 24px 20px; font-size:13px; }
.st-results { padding:0 24px 22px; display:grid; gap:10px; }
.st-result { padding:14px; border:1px solid var(--border-secondary); border-radius:12px; background:var(--bg-primary); display:flex; justify-content:space-between; gap:12px; align-items:center; flex-wrap:wrap; }
.st-split-config { display:grid; grid-template-columns:1fr 1fr; gap:18px; padding:22px 24px; border-block:1px solid var(--border-primary); }
.st-dual { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); }
.st-dual > :first-child { border-right:1px solid var(--border-primary); }
.st-text-head { display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-bottom:14px; }
.st-text-head h2 { font-size:16px; }
.st-text-head .st-button { font-size:12px; padding:7px 10px; }
.st-editor { min-height:350px; font-family:var(--font-mono),monospace!important; font-size:14px!important; tab-size:4; }
.st-editor.expanded { min-height:70vh; }
.st-text-meta { margin-top:9px; display:flex; justify-content:space-between; gap:8px; color:var(--text-tertiary); font-size:12px; }
.st-options { display:flex; flex-wrap:wrap; align-items:center; gap:15px; padding:16px 24px; border-block:1px solid var(--border-primary); background:var(--bg-primary); }
.st-options select { width:auto; max-width:100%; font-size:13px; }
.diff-summary { display:flex; gap:8px; flex-wrap:wrap; }
.diff-badge { padding:7px 11px; border-radius:8px; background:var(--bg-primary); border:1px solid var(--border-secondary); font-size:13px; }
.diff-badge.add { color:var(--add-fg); background:var(--add-bg); }
.diff-badge.del { color:var(--del-fg); background:var(--del-bg); }
.diff-controls { padding:18px 24px; display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between; border-bottom:1px solid var(--border-primary); }
.diff-mode { display:flex; padding:3px; border:1px solid var(--border-secondary); border-radius:10px; background:var(--bg-primary); }
.diff-mode button { border:0; border-radius:7px; min-height:40px; background:transparent; padding:8px 12px; font:inherit; font-size:13px; color:var(--text-secondary); cursor:pointer; }
.diff-mode button[aria-pressed="true"] { background:var(--gradient-primary); color:white; }
.diff-legend { display:flex; gap:16px; font-size:12px; padding:12px 24px; flex-wrap:wrap; color:var(--text-secondary); }
.diff-table { font-family:var(--font-mono),monospace; font-size:13px; line-height:1.7; border-block:1px solid var(--border-primary); }
.diff-columns,.diff-row { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); }
.diff-columns { padding:10px 20px; font-family:var(--font-body); font-size:12px; font-weight:700; background:var(--bg-primary); color:var(--text-secondary); }
.diff-cell { display:grid; grid-template-columns:42px 20px minmax(0,1fr); align-items:start; min-height:30px; padding:5px 12px 5px 0; min-width:0; border-bottom:1px solid var(--border-primary); }
.diff-cell:first-child { border-right:1px solid var(--border-secondary); }
.diff-number { user-select:none; text-align:right; padding-right:10px; color:var(--text-tertiary); font-size:11px; }
.diff-sign { user-select:none; font-weight:700; }
.diff-content { white-space:pre-wrap; overflow-wrap:anywhere; tab-size:4; min-width:0; }
.diff-content mark { border-radius:3px; padding:1px 0; color:inherit; }
.diff-cell.old-changed { background:var(--del-bg); color:var(--del-fg); }
.diff-cell.new-changed { background:var(--add-bg); color:var(--add-fg); }
.old-changed mark { background:var(--mark-del); text-decoration:line-through; text-decoration-thickness:1px; }
.new-changed mark { background:var(--mark-add); font-weight:600; }
.diff-cell.empty { background:repeating-linear-gradient(-45deg,transparent,transparent 5px,var(--border-primary) 5px,var(--border-primary) 6px); }
.diff-row.current { outline:2px solid var(--accent-primary); outline-offset:-2px; }
.diff-table[data-view="unified"] .diff-row { display:block; }
.diff-table[data-view="unified"] .diff-cell { border-right:0; }
.diff-table[data-view="unified"] .diff-cell.empty,.diff-table[data-view="unified"] .diff-row.same .diff-cell:first-child { display:none; }
.diff-table[data-view="unified"] .diff-columns { display:none; }
.diff-eol { font:11px var(--font-body); opacity:.8; margin-left:8px; }
.diff-empty { text-align:center; padding:38px 20px; background:var(--add-bg); color:var(--add-fg); }
.st-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); }
.st-form { display:grid; gap:18px; padding:24px; }
.st-preview { background:var(--bg-tertiary); border-left:1px solid var(--border-primary); display:flex; flex-direction:column; gap:18px; align-items:center; justify-content:center; padding:30px 24px; min-width:0; }
.qr-frame { width:min(100%,340px); aspect-ratio:1; padding:16px; background:white; border-radius:18px; box-shadow:var(--shadow-lg); display:grid; place-items:center; }
.qr-frame canvas { max-width:100%; width:100%; height:auto; image-rendering:pixelated; }
.qr-placeholder { color:#64748b; padding:30px; text-align:center; font-size:14px; }
.st-password { display:flex; gap:8px; }
.st-password input { flex:1; }
.st-preview-image { width:100%; height:auto; max-height:420px; object-fit:contain; border:1px solid var(--border-secondary); border-radius:12px; background:repeating-conic-gradient(#e8ebf1 0% 25%,#fff 0% 50%) 0 0/18px 18px; }
.st-preview-placeholder { padding:70px 20px; border:1px dashed var(--border-secondary); border-radius:14px; text-align:center; width:100%; color:var(--text-secondary); }
.st-presets { display:flex; gap:6px; flex-wrap:wrap; }
.st-presets button { min-height:40px; font-size:12px; padding:8px; }
.st-output-link { min-width:160px; }
.st-related { margin-top:36px; display:flex; flex-wrap:wrap; gap:10px; }
.simple-tool, #diff-result { scroll-margin-top:100px; }
.st-related a { padding:12px 15px; border:1px solid var(--border-secondary); border-radius:12px; background:var(--bg-secondary); color:var(--text-secondary); font-size:13px; }
.simple-page .tool-help-section { margin-top:38px; }
.simple-page .tool-help-section p,.simple-page .tool-help-section li { color:var(--text-secondary); line-height:1.8; }
.simple-page noscript { display:block; padding:20px; border:1px solid var(--border-secondary); background:var(--bg-secondary); margin-bottom:20px; }
@media(max-width:760px) {
 .simple-page .file-tool-subtitle { font-size:15px; line-height:1.6; }
 .simple-tool, #diff-result { scroll-margin-top:86px; }
 .st-dual,.st-grid,.st-split-config { grid-template-columns:minmax(0,1fr); }
 .st-dual > :first-child { border-right:0; border-bottom:1px solid var(--border-primary); }
 .st-preview { border-left:0; border-top:1px solid var(--border-primary); }
 .st-top,.st-bottom,.st-panel,.st-form,.st-options,.diff-controls { padding:16px; }
 .st-drop { margin:16px; padding:28px 16px; }
 .st-files,.st-pages,.st-results { padding-inline:16px; }
 .st-editor { min-height:260px; }
 .st-file { grid-template-columns:48px minmax(0,1fr); gap:10px; }
 .st-file-thumb { width:48px; height:64px; }
 .st-order { grid-column:1/-1; justify-content:flex-end; }
 .diff-cell { grid-template-columns:32px 17px minmax(0,1fr); font-size:12px; padding-right:7px; }
 .st-status { padding:12px 16px; }
 .simple-tool { border-radius:18px; }
 .st-bottom > .btn { width:100%; }
}
@media(prefers-reduced-motion:reduce) { .simple-tool *, .simple-tool *::before { scroll-behavior:auto!important; transition:none!important; animation:none!important; } }